A person who wastes time or is slow in doing things.

Someone who delays or slows down a process by being unproductive.

प्रक्रिया में बाधा डालने वाला व्यक्ति

English Usage: The team can't afford to have a dawdler on such an important project.

Hindi Usage: टीम ऐसे महत्वपूर्ण प्रोजेक्ट पर एक समय बर्बाद करने वाले व्यक्ति को सहन नहीं कर सकती।