Is there a single word or short phrase to describe someone who treats women like objects?
Is there a similar word/phrase for who objectifies other people in general?
There are a number of words that come to mind to describe someone who objectifies women, but there are so many nuanced responses that it is hard to pin down just one. Here are a few that come to mind, many of the definitions contain other possible words to describe an objectifier:
For the kind of person that objectifies women "for amorous sport," these apply:
a ladies' man; womanizer.
a man with a reputation for having many amorous adventures; rake.
Along the same lines: libertine, rake
If the person eying the other is doing so from afar, then ogler could work:
one who looks at amorously, flirtatiously, or impertinently.
all definitions are from Random House
How about Hetaerism / Hetaerist?
From The Free Dictionary:
the practice of concubinage.
a social system characterized by its regarding women as common property.
— hetaerist, hetairist, n. — hetaeristic, hetairistic, adj.
Hetaerism or hetairism can mean:
... Women were the common property of their tribe, and the children never knew their fathers. Sometimes known as "primitive promiscuity"