Befriend
No. Chum is a synonym of friend. Chump is a mild insult
Synonym
A buddy.
Friend, partner, ally.
close friend, familiar, intimate, crony, alter ego, bosom friend
There are many words that can describe a friend. Companion is one of the synonym of a friend.
pal,Boy, is my pal swell.
Synonyms for friend include buddy, pal, comrade, or chum.
buddy, friend, aquaintence, etc.
buddy
colleague, companion, friend, associate
teammate, partner, associate, helper, friend