Some articles on yuvacharya:

Acharya Mahapragya - Successor-designate To Acharya Tulsi
... was converted into his new name by Acharya Tulsi and he was also made ‘Yuvacharya’, successor designate to the present Acharya, the second highest position after the Acharya himself ... With this elevation, he was now referred as Yuvacharya Mahapragya ... As a Yuvacharya, Mahapragya became a close associate of Acharya Tulsi in major decisions and activities related to the sect ...