What does "ethicist" mean?

A person, especially a philosopher, who studies ethics (principles governing right and wrong conduct).

Ethicist

Common synonyms include: admonisher, applied ethicist, casuist, ethical theorist, ethician, ethics advisor.

/ˈɛθɪsɪst/ noun

noun ·Rare ·Advanced level

Noun

1
A person, especially a philosopher, who studies ethics (principles governing right and wrong conduct).
2
a philosopher who specializes in ethics wordnet
3
A person who advocates a particular set of principles governing right and wrong conduct.

From ethics + -ist, changing /ks/ to /θ/ for ease of pronunciation and dropping the -s.