zeal
US /ziːl/
UK /ziːl/

1.
celo, entusiasmo, fervor
great energy or enthusiasm in pursuit of a cause or an objective
:
•
Her zeal for social justice was inspiring.
Su celo por la justicia social era inspirador.
•
He pursued his goals with unwavering zeal.
Persiguió sus metas con inquebrantable celo.