से: Possession ~> Ancillary
This appears to be a dialectal use of से (I would not use it in my Delh-based dialect at least). से tends to label animate co-participants in an event.
* [gex 001 "{मैं I} {बैग bag} {[pspecial "से" hi/se Possession--Ancillary] INS} {आया come-PRF}।" "I came with a bag."]