A reader can conclude about Martina based on the interaction between Fatima and Martina that she is welcoming and friendly toward new yearbook club members.
After Fatima tells Martina about her anxiety about working in the club, Martina comforts her with her proposal. It can be assumed that Martina would have asked Fatima about her new experience in the club, to which Fatima replied with a smile. Martina offers Fatima to accompany her during the interview. She asks her to click the pictures of the interview. she left the proposal totally on her acceptance. She even didn't pressurize her for anything. This shows the welcoming and friendly nature of Martina towards Fatima.