raider
n. countable B2 Upper Intermediate US //ˈɹeɪdɝ// UK //ɹˈeɪdɐ// raider Informal
n. someone who enters a place or a company by force to steal things or take control.
n. a person or group that attacks a location suddenly to seize goods, or an investor who buys a large stake in a company to gain control.
The raiders took everything of value from the office.
The corporate raider purchased enough shares to force a meeting with the board of directors.
Historical accounts describe the coastal raiders as opportunistic, striking small villages that lacked the defensive infrastructure to repel a sudden maritime assault.
From raid + -er.
Usage
Often used in the compound 'corporate raider' within business contexts.