2baaea63_sh_Phrasal_Verbs_with_Examples__Phrasal_Verb
[Meaning] To support [Example Sentences] The captain will not back him up just because he is his son. You may be wrong but I will back you up because you are my brother. [Phrasal Verb] 
backsomeone up
Phrasal Verbs:English Phrasal Verbs with Examples
Phrasal Verb