Yes, the noun 'traveller' (or traveler, US spelling) is a common noun, a general word for someone going from place to place, or someone who habitually goes from place to place.
common noun
Common
Common noun
common
Pea is a common noun, and peas is the plural...still a common noun.
A common noun.
Most definitely a common noun.
Camel is a common noun.
Th word tail is a common noun because the first letter of a proper noun is capitalized.
it is re@lly @ common noun
common
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.