I'm not exactly sure if your asking what this means but if you are this means We need a person who has a lot of resistance and who can participate in background races
Quien, which becomes quienes
1. ellos se sientan aqui
2. ellos se acuestan tarde
3.ellos se duermen enseguida
4. ellos se dirvierten
5. ellos se van mañana
grammar is a bit iffy so check that
Answer:
Federico gets his clothes ready at night/Federico prepara su ropa por la noche
Explanation: