This is the 6575th most frequent Dutch word.
vertrouw
"Trust" or "believe."
Here, 'te vertrouwen' is the infinitive form of the verb used in conjunction with another verb, indicating the action of trusting.
Het was moeilijk om mezelf te vertrouwen na dat incident.
It was difficult to trust myself after that incident.
Here, 'vertrouw' is used as the first-person singular present form of the verb 'vertrouwen', meaning 'to trust'.
Ik vertrouw mijn vriend volledig.
I completely trust my friend.
In this case, 'Vertrouw' functions as an imperative form, giving the command to trust.