This is the 7191st most frequent Catalan word.
ajudant
Assistant.
Here, 'ajudant' is used as a noun meaning 'assistant', referring to someone who helps a teacher.
El ajudant de la professora està organitzant els materials per a la classe.
The assistant of the teacher is organizing the materials for the class.
In this sentence, 'ajudant' is used as the present participle of the verb 'ajudar', meaning 'helping'.
T'estic ajudant amb el projecte perquè s'acabi a temps.
I am assisting you with the project to finish it on time.
Here again, 'ajudant' functions as a noun referring to a person who gives assistance.