-eer
suffix /ɪə(r)/
/ɪr/
- (in nouns) a person connected with something or doing an activity
- auctioneer
- mountaineer
- (in verbs) (often disapproving) to be connected with something or doing an activity
- profiteer
- commandeer
Word Originfrom French -ier, from Latin -arius; verbs are often back-formations (e.g. electioneer from electioneering).