A chaplain is a minister or representative of a religion who is attached to an institution such as a school or the defence forces to provide spiritual support to members of the institution. Schools often provide chaplaincy services for students and a chaplain may conduct talks or classes where students can discuss religious or spiritual concerns.

Please don't write "u" when you mean "you". It's never written that way except in a text message and I believe you are trying to learn to write correctly.

Hello Christina: As Peter indicates, it refers to the Office of the Chaplain. The Chaplain operates in the role of a personal counselor, advising on personal matters.