Set your account to private: Profile > Menu > Settings and privacy > Account privacy > Private account
Remove followers you do not want to see your list: Profile > Followers > Remove
Block specific users to prevent them from viewing your profile and lists: Open their profile > More options > Block
Restrict users to limit what they can see and do on your account: Open their profile > More options > Restrict
Use Close Friends for sharing stories with a limited audience: Profile > Menu > Close Friends
Hide your activity status: Settings and privacy > Messages and story replies > Show activity status > Off
Limit who can interact with your content: Settings and privacy > Privacy > Comments, Tags and mentions, Story, and Posts
Make your profile less discoverable by turning off contact syncing: Settings and privacy > Accounts Center > Your information and permissions > Upload contacts > Off
Remove mutual visibility by unfollowing accounts you do not want associated with your profile
Deactivate or delete the account if you want to stop all profile visibility entirely