ichidan verb, transitive verb
Causative form of 煩う, meaning to cause someone trouble or worry. Often used in polite expressions like お手数を煩わせてすみません.
See also: 煩わす
お手数を煩わせて申し訳ありません。
I'm sorry to trouble you.
彼はいつも小さなことで人を煩わせる。
He always bothers people with trivial things.