Bodyguard
General Feat (Prerequisite: Level 4+, Constitution 13+)
You gain the following benefits.
Ability Score Increase. Increase one ability score by 1, to a maximum of 20.
Principal. Choose one Principal for you to protect. You can change the Principal when you finish a Short or Long Rest.
Vigilant. While the Principal is within 30 feet of you, you have Advantage on Perception checks.
Serve and Protect. When the Principal is within 5 feet of you and takes damage, you may use your reaction to take that damage yourself. You must do so before knowing how much damage was inflicted.