n. 打扰者

[ noun ]
a troubler who interrupts or interferes with peace and quiet; someone who causes disorder and commotion
<noun.person>

Disturber \Dis*turb"er\, n. [Cf. OF. destorbeor.]
1. One who, or that which, disturbs of disquiets; a violator
of peace; a troubler.

A needless disturber of the peace of God's church
and an author of dissension. --Hooker.

2. (Law) One who interrupts or incommodes another in the
peaceable enjoyment of his right.