starešina

1. head; chief; superior
   Vojnici moraju da slušaju svog starešinu. — Soldiers must obey their superior.
   Starešina hrama je dočekao goste. — The head of the church welcomed the guests.
2. (razredni starešina) homeroom teacher; form tutor
   Razredni starešina je pozvao roditelje na sastanak. — The homeroom teacher invited the parents to a meeting.
3. (of a family or village) elder; head
   Deda je bio starešina porodice i svi su ga poštovali. — Grandpa was the head of the family, and everyone respected him.

It declines like nouns in -a (starešine, starešini); singular adjectives referring to a man agree in the masculine: naš starešina. In the plural, the usual agreement is naše starešine.