Collocations for drinker - noun

binge, hard, heavy
This liver condition is common in heavy drinkers.

light, moderate
habitual, regular
problem
help for the families and friends of problem drinkers

underage
She claimed advertisers were targeting underage drinkers.

social
She is a social drinker only—she never drinks at home.

beer, coffee, tea, etc.
I'm not a big tea drinker.