Tuteur subroge
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
The title of a second guardian appointed for an infant under guardianship. His functions are exercised in case the interests of the infant and his principal guardian conflict. Code Nap. 420; Brown. Tutius erratur ex parte mitiore.
3 Inst. 220.
It is safer to err on the gentler side.