Mikie boy released the Arma 2/Arma 2: OA version of his [FOCK] AI Recruitment and Group Management script on the BI forums.

Quote Mikie boy :
Although this has been made for Arma 3, I have converted it to A2.

This version contains the following:
• AI recruitment process – selection of 6 types of soldiers. Automatically identifies which side you are on so no fiddling with sides.
• AI deletion from group, if group leader.
• Whole AI squad deletion, if group leader.
• New – Group Management.
• Leave current group.
• Join a new group from a selection of groups (AI groups, Human Groups, and Mixed groups).
• View other groups, for AI players.
• Specifically view human players within a group to assist with locating friends.
• Identification of your own group.
• Step down as leader.
• Become leader – MP compatible.
• Options to turn off/on the menu.
• Option to turn off/on just AI recruitment.
• Option to increase/decrease Amount of AI to recruit.
• Option to turn off/on Deletion AI when leaving a group with no Humans in it.
• Option to turn off/on Group clear up of empty groups.