protect
v.v. to keep someone or something safe from harm, damage, or bad weather.
v. to keep safe from harm or injury; to guard against damage or loss. Transitive — requires a direct object.
You should wear a helmet to protect your head.
Aviation safety rules protect passengers by requiring strict maintenance checks on every aircraft before takeoff.
The new international treaty aims to protect endangered habitats by strictly limiting industrial development in sensitive coastal regions.
Attested in English since 1530, from Latin prōtēctus (“covered, protected”), past participle of prōtegere (“to cover the front, protect”) from prō, prō- (“before, in front of”) + tegere (“to cover”), see tegument. Displaced native Middle English shelden, from Old English sċildan (“to protect,” literally “to shield”).
The verb is transitive and often takes the preposition 'from' or 'against' to specify the threat.
protect of the rainprotect from the rainProtect is used with 'from' or 'against', not 'of'.