We know living things and how they function, it’s Biology classes in South Africa

Nelisiwe is trustworthy because she has consistency in what she says and what she does. She is the same at work, at home, and everywhere else—she does not pretend to be someone else. She is reliable, responsible, accountable, and resourceful, caring, humble. She always shows genuine interest in others.

She is one of the best people to explain difficult concepts when I don't understand and always tries to be practical for better understanding.