operate名詞是：operator。
operator
英 ['?p?re?t?(r)] 美 ['ɑ?p?re?t?r]
n. 操作員；技工；管理者；報務員；計運算符。
The telegraph operator was right.
報務員說的壹點不錯。
Do you know the telegraph operator living over the way?
妳認識住在路對面的那個報務員嗎？
近義詞：
operative
英 ['?p?r?t?v] 美 ['ɑ?p?r?t?v]
adj. 有效的；至關重要的；運作的。
n. 技工；偵探。
The oil rig is now fully operative.
石油鉆塔現全面開工。
The station will be operative again in January.
該車站將於壹月份恢復使用。