日本語
oru
to be (humble form)
[oru]…is a humble (honorific expression) equivalent of "imasu".
わたくしは びょういんに つとめて おります。
I work for the hospital.
iru
いる
to exist ; to be (referring to inanimate objects)
いたす
to do (humble form)
いらっしゃい
Welcome (said to someone who is visiting)
いらっしゃる
to come (honorific form)
to be (honorific form)
to go (honorific form)