For sale by owner AGENT?

[Alex Cervantes]

I have a motivated seller that's waiting for me to give her a cash offer, but I looked her property up online and it seemed like it might be already listed with a realtor. I asked her and she said it's a "FOR SALE BY OWNER AGENT" that's listing it for her. She said "it's not like he's a licensed realtor..." Should I make a cash offer or should I walk away from it? First time I hear that term used... The house is listed on Zillow, Redfin, and Relax. Not sure if that means it's actually listed with a realty company though. Forgive my ignorance but it's a first for me. I appreciate the help!