If you don't know the exact name, use the generic terms 'beads' and don't just speak anything, those are rudraksha beads, not Haridwar beads. Haridwar is one of the oldest and most religious cities in India, with great importance to lord Shiva and goddess Ganga.
I think he is Hindu/Buddhist, Saadhak sounds kind of Asian. It means "Seeker" in Sanskrit.
that tattoo look kind of looks cool though. he even has a sandalwood necklace as it appears. Saadhak Indian pride