single out

verb

Etymology: From single (“to take alone, or one by one”, intransitive archaic verb) + out. First attested in 1629.

1. To select (someone or something) from a group and highlight them or treat them differently.

   “Eddie singled out his favorite marble from the bag.”

   “Yvonne always wondered why Ernest had singled her out of the group of giggling girls she hung around with.”