In the Ismaili tradition, Nazrana is a voluntary and unconditional gift offered by the murid to the Imam of the Time, as an expression of gratitude, and devotion.
“Any TKN opportunity, domestic or international, has the power to give you an opportunity to make a difference. You get a chance to bring your expertise, and combine it with the knowledge of other talented individuals serving on the project— together you can change the destiny of the program you serve in” remarked Rahim Sayani.

Source: https://the.ismaili/time-and-knowledge-initiatives-improve-jamat%E2%80%99s-quality-life