how can i do role based on iflychat on wordpress

Hi experts

how can i do role based on chatting on wordpress right now am using iflychat. I don't think ifly chat in role based chat on wordpress.

roles(admin,employer,maid) my requirement id i dont want to chat between maid to maid but others can chat with each other. i mean admin can chat with both employer and maid,employer can chat with maid and admin,maid can chat with admin and employer

please respond as soon as possible

Thanks and Regards
N.Parameshwari