The primary responsibility of a lighthouse keeper is to maintain a good light for mariners. He is also required to operate and maintain foghorns as well as to supply weather information by radio to fishermen and passing vessels.
प्रकाशगृह रक्षक की मुख्य ज़िम्मेदारी होती है कि नाविकों को अच्छा प्रकाश देता रहे ।