asystujca
Asystujca is a non-diacritic form of the Polish present participle asystująca, derived from the verb asystować meaning to assist or to accompany. It functions as a present active participle (imiesłów czynny) and is used to describe someone who is performing assisting duties. In standard, diacritics-based spelling the feminine form is asystująca, with masculine asystujący and neuter/plural asystujące; in non-diacritic texts these appear as asystujacy, asystujaca, and asystujace respectively.
In everyday language asystujaca is typically used attributively to indicate the role or action of helping
Notes on usage: while asystująca is grammatical, Polish often prefers explicit nouns for people performing assisting