Idiom
pick out someonepick out (someone/something)
1.
to choose someone or something instead of others.
The writer picked out certain things about the event that he thought were important.His boss picked him out for an assignment in Japan.
2.
to find someone or something in a group.
The upgrade will increase the telescope's ability to pick out individual objects in space.He was so tall, it was easy to pick him out in the crowd.