Aww thankie :3

Other entries (a number of which mention anime and manga) have since been added; it's defined there variously as "someone older than you," "someone you look up to," "mentor," "senior," an "older person who you adore." There are more. The top definition (as chosen by users) is "someone who will never notice you." I hoped this helped Meg

Where did you copy and paste that from, and why did you not summarize it? It means someone older than you, usually in school. It's a Japanese honorific. It's like saying "I have three misters. one doctor mister, and two friend misters."