1) one to whose care or honour anything has been instructed
1a) a curator, a guardian
1b) a steward or manager of a household, or of lands
1c) one who has the care and tutelage of children, either where the father is dead (a guardian of minors), or where the father is still alive
Part of Speech: noun masculine
From G1909 and G5158 (in the sense of G2011); a commissioner, that is, domestic manager, guardian: - steward, tutor.
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root ἐπίτροπος; click on the second column to search for that grammatical form of the root ἐπίτροπος; click on the third column to search for that word and grammatical form; click on the total to search for the root ἐπίτροπος.