By a random roll of the genetic dice you are a near twin of a famous person person who for whatever reason is unpopular enough with some group of people that there is a real threat of harm to him/her.
For this scenario you are in complete agreement with whatever opinions they have that make them unpopular and subject to threat. Women’s rights in Saudi Arabia. Child sex trafficking in Africa. Choose your Cause du Jour.
Your requirements aren’t too onerous. If they are going to be making a trip somewhere, you’ll be going via an alternate route. The occasional non speaking public appearance. Other similar situations. When you’re not on duty your time is your own. At all times your security detail is exactly the same as your employer.
What are your salary requirements? Any reasonable request will be considered. You are also able to decline with no negative repercussions if you are highly risk averse.