er
suffix//ə//re, are, er, ist, spelare, bo
(added to verbs) A person or thing that does an action indicated by the root verb; used to form an agent noun.
(added to certain adjectives and adverbs, now especially short ones) More; used to form the comparative.
(added to certain adverbs) More; used to form the comparative.
(added to nouns, chiefly denoting occupations) A person whose occupation is the root noun; (more broadly, occasionally with adjectives) a person characterized by the root.
(added to a proper noun) Suffix denoting a resident or inhabitant of (the place denoted by the proper noun); used to form a demonym.