What is the meaning of -man?

Someone (possibly implied male) who is an expert in an area or who takes part in an activity.

Someone (possibly implied male) who is employed or holds a position in an area.

Someone (possibly implied male) who has special characteristics relating to a topic or area.

Someone (possibly implied male) who has a particular nationality.

A man whose name begins with the preceding letter.

A ship which has special characteristics relating to a trade or area.

forms derogatory adjectives and nouns.

someone (implied male) who is an expert in an area

someone (implied male) who is employed or holds a position in an area

someone (implied male) who has special characteristics relating to an area

someone (implied male) who is derived from a particular nationality

used to form names of male professions or sportspersons

used to form adverbs out of adjectives; -ly

-maniac

-maniac

Person suffix, used to derive agent nouns from verbs as well as nouns for people characterised by a trait from nouns and adjectives.

allative or dative case; indicates the direction of movement or the indirect object

potential mood; indicates possibility or potential

Form of -men after the vowels A / I / O / U.

Source: wiktionary.org