litigationist

A person who engages in litigation, especially of a vexatious kind.

Japanese Meaning

訴訟、特に迷惑または不当な訴訟を行う人

Neighbors grew tired of the litigationist who kept filing frivolous suits over trivial matters.

近所の人々は、些細なことで繰り返し根拠のない訴訟を起こす迷惑な訴訟屋にうんざりしていた。

Sense（1）

A person who engages in litigation, especially of a vexatious kind.

litigationists

（ plural ）