наставник meaning in English

educator [educators]▼(person distinguished for his/her educational work, see also: teacher)
noun
[UK: ˈe.dʒʊk.eɪ.tə(r)] [US: ˈe.dʒəˌk.e.tər]

guru [gurus]▼(advisor or mentor)
noun
[UK: ˈɡʊ.ruː] [US: ˈɡuː.ˌruː]

mentor [mentors]▼(A wise and trusted counselor or teacher)
noun
[UK: ˈmen.tɔː(r)] [US: ˈmen.ˌtɔːr]

monitor [monitors]▼(someone who watches over something)
noun
[UK: ˈmɒ.nɪ.tə(r)] [US: ˈmɑː.nə.tər]

teacher [teachers]▼(person who teaches)
noun
[UK: ˈtiː.tʃə(r)] [US: ˈtiː.tʃər]