1. aggressor - Noun
2. Aggressor - Proper noun
The person who first attacks or makes an aggression; he who begins hostility or a quarrel; an assailant.
Source: Webster's dictionaryA check to the head can be defined as delivering a hit while the receiving player's head is down and their waist is bent and the aggressor is targeting the opponent player's head. Source: Internet
All services are used jointly to repel the aggressor. Source: Internet
Amid the rough-and-tumble exchanges, Trump was constantly the aggressor, and he repeatedly compelled Biden to distance himself from such policies as defunding police, single-payer health care, and the “Green New Deal.” Source: Internet
Gonzalez was the aggressor in the one-sided affair, and won by technical knockout in the ninth round after dropping Yafai earlier in the eight with a fierce right hook. Source: Internet
According to an by the Secret Service, in seven out of 10 cases, they are the bullied victim, not the original aggressor. Source: Internet
However, most nations chose not to upgrade for financial reasons, and the radar saw very little service in USAF aggressor squadrons and Swiss air force. citation Various F-5 versions remain in service with many nations. Source: Internet