Suffix
Someone (possibly implied male) who is an expert in an area or who takes part in an activity.
horse + -man → horseman
sports + -man → sportsman
Someone (possibly implied male) who is employed or holds a position in an area.
law + -man → lawman
news + -man → newsman
Someone (possibly implied male) who has special characteristics relating to a topic or area.
free + -man → freeman
ice + -man → iceman
super + -man → superman
Someone (possibly implied male) who has a particular nationality.
Scots + -man → Scotsman
Dutch + -man → Dutchman
China + -man → Chinaman
Yorkshire + -man → Yorkshireman
A ship which has special characteristics relating to a trade or area.
Guinea + -man → Guineaman (“ship of the West African slave trade”)
East India + -man → East Indiaman
merchant + -man → merchantman
Greenland + -man → Greenlandman (“a whaling ship”)
China + -man → Chinaman (“sailing ship engaged in the Old China Trade”)