How do you search for online influencers of your blog's target audience?

Engage them in group discussions, make relations............. inspire them with your quality blogs and / or compensate them to advocate for you.

ITs not easy to ask top influencer to write or recommend your new blog unless you have personal relation. Time and trust needs to build with influencer before asking for favor. Search top blogs in your category start discussion on their blogs or videos and build a long term relation and credibility.