I want to prevent specific individuals from finding me or seeing me on Facebook whilst still remaining visible to others. I just want to block certain people and not come up on their friends suggestions at all.
block 'em up. Blocking someone will unable for them to find/see you in facebook, all kinds of connection from someone you blocked will be invisible as you stay visible to others. totally, you will never come up on their friends suggestions at all. That's how blocking feature in facebook works.