I think I have a mentor for Dan ... basically shows up as a janitor at his school.  I am using the picture of Lennie Woods (Morgan from Walking Dead).  And for ease of remembering a name I'll use the name Morgan.

http://cdn.net-worth.net/wp-content/uploads/2015/07/Lennie-James.jpg
http://digitalspyuk.cdnds.net/12/25/1600x800/landscape_uktv_line_of_duty_lennie_james_1.jpg