6. A computer program product for filtering messages of a social network, the computer program product comprising: one or more computer readable storage media having program instructions embodied therewith, wherein the program instructions are executable by a computer processor, the program instructions comprising: program instructions to identify a set of languages included in a settings file of a first user of a social network, program instructions to determine which language is used to compose a message sent or received by the first user of the social network, by accessing a language library, wherein the message sent or received by the first user of the social network is an audio message that is converted in part to text using speech recognition and audio language libraries for determining a language in which the audio message is composed; program instructions to determine whether a language that is used to compose the message that is sent or received is included in the set of languages of the settings file of the first user of the social network; in response to determining that the message that is received is composed in a language that is not included in the set of languages of the settings file of the first user, program instructions to prompt the first user to indicate whether the language is to be added to the set of languages of the first user: in response to determining that the message that is sent is composed in a language that is not included in the set of languages of the settings file of the first user, program instructions to prompt the first user to indicate whether the language is to be added to the set of languages of the first user; in response to receiving a confirmation from the first user to add the language to the set of languages of the first user, program instructions to add the language to the set of languages of the first user; and in response to a denial by the first user to add the language to the set of languages of the first user, program instructions to filter messages composed in the language that are directed to the first user from the social network, wherein the messages that are filtered are blocked from display to the first user of the social network.
6. A computer program product for filtering messages of a social network, the computer program product comprising: one or more computer readable storage media having program instructions embodied therewith, wherein the program instructions are executable by a computer processor, the program instructions comprising: program instructions to identify a set of languages included in a settings file of a first user of a social network, program instructions to determine which language is used to compose a message sent or received by the first user of the social network, by accessing a language library, wherein the message sent or received by the first user of the social network is an audio message that is converted in part to text using speech recognition and audio language libraries for determining a language in which the audio message is composed; program instructions to determine whether a language that is used to compose the message that is sent or received is included in the set of languages of the settings file of the first user of the social network; in response to determining that the message that is received is composed in a language that is not included in the set of languages of the settings file of the first user, program instructions to prompt the first user to indicate whether the language is to be added to the set of languages of the first user: in response to determining that the message that is sent is composed in a language that is not included in the set of languages of the settings file of the first user, program instructions to prompt the first user to indicate whether the language is to be added to the set of languages of the first user; in response to receiving a confirmation from the first user to add the language to the set of languages of the first user, program instructions to add the language to the set of languages of the first user; and in response to a denial by the first user to add the language to the set of languages of the first user, program instructions to filter messages composed in the language that are directed to the first user from the social network, wherein the messages that are filtered are blocked from display to the first user of the social network. 7. The computer program product of claim 6 , wherein program instructions to filter messages composed in the language that are directed to the first user from the social network includes a separate storage of the message that is composed in the language.