Cases of word usage

1) a person who is absent. e.g. who lives away from her or his property (absentee)

2) a person who one knows but not as well as a friend (acquaintance)

3) a person who can do clever or unusual physical or gymnastic acts, e.g. on a trapeze (acrobat)

4) a person who acts on the stage or TV, or in films (actor)

5) a woman who acts on the stage or TV, or in films (actress)

6) a person who is addicted to something harmful (addict)

7) a person who administers or organizes something (administrator)

8) a man who commits adultery (adulterer)

9) a person who speaks in favour of a person or idea (advocate)

10) a person who causes unrest in order to get political or social change (agitator)