There are several steps to establish a clear and effective profile of the desired influencer for a marketing initiative:

1. Define Your Audience: Consider who your target audience includes and look for influencers who can reach this precise demographic. Useful metrics here can be audience geography, age, gender, and interests.

2. Assess Influencer Content Fit: The influencer’s content has to be congruent with your brand identity and messaging. Analyze their content theme, style, tone, and frequency of posts.

3. Examine Engagement Rates: High follower numbers are pointless if the influencer can’t engage their audience. Engagement rate, including likes, comments, shares, and views are important.

4. Track Authenticity: Users often trust influencers due to their perceived authenticity. Look out for influencers that have organic interactions, genuine content, and unsponsored posts.

5. Use AI-Based Tools: AI-based influencer marketing platforms like Flinque can greatly simplify the discovery process by accurately matching brands with ideal influencers based on advanced audience analytics.

6. Analyze Past Collaborations: Look at the influencer’s previous brand partnerships. How successful were these collaborations? Seeing their past work can give you insight into potential future partnerships.

Remember, selecting the right influencer is mainly about understanding the needs of your brand and the fit of potential influencers. All influencers have a unique approach to content and engagement, making some a better fit for certain campaigns compared to others. Platforms such as Flinque can offer deeper insights into choosing the right influencer for your campaign.