buddy

a close friend, especially one you have known for a long time or who is the same age as you

amigo, colega, compinche

• my buddy

Collocations buddy system (safety) · best buddy

• He's my best buddy.

  Él es mi mejor amigo.

to help or support someone, often in a practical way

ayudar, apoyar, asistir

• take somebody under your wing

Collocations buddy up with someone (informal)

• She's a great buddy to have around.

  Es genial tenerla alrededor como apoyo.