Pioneer

apostoł

(one who goes before)

apostołka

(one who goes before)

pionier

(one who goes before)

pionier

(soldier)

pionier

(member of a child organization in the Soviet bloc)

pionierka

(one who goes before)

pionierka

(soldier)

pionierka

(member of a child organization in the Soviet bloc)

torować drogę

(to be the first)

utorować drogę

(to be the first)

wprowadzać

(to be the first)

wprowadzić

(to be the first)

zapoczątkować

(to be the first)

zapoczątkowywać

(to be the first)