titolare

Etymology 1
From.

Adjective

 * 1) appointed
 * 2) titular

Noun

 * 1) holder
 * 2) owner
 * 3) incumbent
 * 4)  regular member of a team

Etymology 2
From.

Verb

 * 1)  to title, to award a noble title to
 * 2)  to title (a film, book, etc.)
 * 3)  to titrate
 * 4)  to have a headline