Join the Secret Network Discord server, claim the "Amplification" role in #get-roles, then engage in the #social-feed channel your first time by replying to one of the most recent posts where a member has shared a social engagement link.

By engaging in the conversation linked in the social feed channel you will begin gaining your reputation points and can come back to claim your "novice" rank OAT reward.

With the Novice rank, you will be eligible to claim the informant intermediate rank in the next mission