apprentice – n. a person who learns a job or skill by working for a fixed period of time for someone who is very good at that job or skill

confidence – n. a feeling or belief that you can do something well or succeed at something

run-in – n. an angry argument

enthusiastic – adj. feeling or showing strong excitement about something; filled with or marked by enthusiasm

dedication – n. self-sacrifice

challenge – n. a difficult test or problem