- I would suggest him/her to share his/her interests and start looking for common topics.
- I would try to motivate him/her to not be afraid to be himself/herself and not pretend.
- I would try to reassure him/her that every group is different and that it's okay to be different.
- I would help him find an activity that interests him, where he could make a connection.
- I would show him/her that it takes time and that he/she will gradually find his/her group.