lifeguard
nounmasculinetécnico/nɐ.dɐ.ˈdoɾ sɐɫ.vɐ.ˈdoɾ/low
na·da·dor-sal·va·dor
Definition
Professional trained in aquatic rescue, responsible for surveillance and rescue on beaches, swimming pools, or other aquatic environments.
The lifeguard warned the bathers about the dangerous current.
To work on the beach, you need to have a lifeguard course.
Common collocations
lifeguard courselifeguard postprofessional lifeguard
Etymology
Composto por 'nadador' + 'salvador'.