Temerita Reid is a teeny bit older than her but also works in Diagon Alley and I feel like Meri would feel a bit drawn to her if for nothing else than maintaining a circle of working ladies to be friendly with. I think she's secretly a bit conflicted over the life long expectation of being proper and getting married versus her love of wandmaking and being a working woman. Also she's a Seer and her Sight is always available for plot and thread opportunity

Jack Dorset I'm just going to put him here cus he's flexible and I feel like he could thread with anyone at least once but I assume he is in Hogsmeade like 80% of the time.