Can i control who can see my posts in a secret group on facebook?

Answer blocking him is the only thing you can do

Top Q&A For: Can i control who can see my posts in a secret ...

If a Facebook group is secret, do members' posts to it show up in their friends' news feeds?

No, only you and the members can see it. They'll see it on theirs news feed. Or can go to the wall itself to check it out. But it won't show publicly. Only to the members who are in the secret grou... Read More »

How to Make It so My Facebook Group Friends Can Only See Some of My Posts?

Not all friends are created equal. As most people use Facebook to network with friends, family members, co-workers and casual acquaintances, it's understandable that you may not want to share the s... Read More »

Can Facebook Friends see my comments and if I like other posts on Facebook?

the only way to prevent it is to add people to your restricted list

How do you make someone an admin of a group on Facebook, when you created the group?

1)edit group profile2)edit member3)make or remove admin