If you mean Muni Misrimalji Marasa, I could verify that he is referred to as a Jain guru / muni, but I could not verify from the source whether he was a disciple of a specific saint. ( flickr.com)
Explanation
The source I found only gives his name as “Jain guru SRI MARUDHAR KESARI MISRI MALJI MARASA” and does not clearly mention his guru or disciple lineage. ( flickr.com)
Spiritual Understanding
In Jain tradition, guru-parampara is important, so the exact full name and lineage matter when identifying a saint correctly. Based on the available source, I cannot confirm the disciple relation with certainty. ( flickr.com)
Takeaway
So, at present: verified as a Jain muni/guru, but disciple relationship not confirmed. ( flickr.com)