A Japanese honorific used when someone is older than you in age or they have more experience in a field than you. The opposite being Kouhai

It is usually a troup in anime or manga for a Kouhai to desperately seek their Senpai's attention but fails as because their senpai ignores them continuously.

Micro marriging is when your partner manages your personal day-to-day tasks with you much like a Micro Manager at work.

a Japanese word used to address or describe an upperclassman,senior, or someone of a higher age

someone who is more experienced and is a role model to you; opposite of kohai, who is the 'protegé'; the senpai is often recognised for being wise and having knowledge to teach his kohl

Someone who will never notice you.

(Japanese)An Upperclassman. Used in relation to fellow classmates of higher level or age. It can be used like -chan or -san as well as by itseld. I.E.: "Urameshi-senpai" or just "senpai"

In Japan, senpai (先輩) is a mentor or senior. "Senpai" is roughly equivalent to the Western concept of a mentor, though it does not imply as strong a relationship as these words mean in the West, and the term is used more widely and with greater "give" then the western equivalent term. More simply, it can be translated as "Senior" or "Elder"