begeleider

noun
  1. A person who guides, assists, or accompanies someone, often in a supportive or supervisory role. noun
    The begeleider helped the new employee understand the company's procedures.
    During the school trip, each group of students was assigned a begeleider to ensure their safety.
  2. A musical accompanist who provides support to a soloist or ensemble. noun
    The pianist acted as a begeleider for the singer during the concert.
    In the orchestra, the begeleider played a crucial role in maintaining harmony with the solo violinist.