Answer:
Amine
Step-by-step explanation:
This functional group is that of amines. Specifically a secondary amine. It is called an N-subsituted amino group.
Here, two Hydrogen atoms of ammonia have been replaced by alkyl and/or aryl groups. The functional group of this class of amines is -NHR (N-alkylamino or N-arylamino group).
The amines shows considerable basicity.