1. An apparatus for controlling a messenger in a terminal, the apparatus comprising: a display configured to display an answer phrase to a specific chat phrase among a plurality of chat phrases in a messenger chat window; and a controller configured to, upon receiving an answer phrase to a specific chat phrase which is not displayed in a display area of the messenger chat window, notify of the reception of the answer phrase, and if ‘View Answer Phrase’ is selected, move to a position area where the specific chat phrase is displayed, and display the specific chat phrase and the answer phrase, wherein the controller is further configure to: manage the plurality of chat phrases using index information indicating a position for each of the plurality of chat phrases; if an answer phrase to the specific chat phrase is sent, generate index information of the answer phrase associated to the index information of the specific chat phrase; and if ‘View Answer Phrase’ is selected after the answer phrase is received, detect a position area where the specific chat phrase is displayed, based on the index information of the specific chat phrase, move to the detected position area, and display the specific chat phrase and the answer phrase.