请教“流浪汉”的最准确的英文单词吗?

流浪汉:

1. tramp

2. vagrant

3. wanderer

4. hobo

5. stroller

6. nomad

7. straggler

Relative explainations:

<vagabond> <vag> <knight of the field> <picaro> <swagman> <swaggie> <sundowner> <dino> <rover> <waff> <a knight of the road> <dead-beat> <beachcomber> <gentleman of the pad> <knight of the road> <gangrel>

Examples:

1. 那个流浪汉不得不乞求钱财。

The vagrant had to beg for money.

2. 他是流浪汉，惯於风餐雨卧。

He's a tramp and used to living rough.

3. 巴黎的流浪汉常常睡在桥下。

In paris tramps often doss down under the bridges.

4. 那流浪汉乞讨食物。

The tramp begged food.

5. 人而无一住址者是为流浪汉，住址有二者是为放荡儿。

A man without an address is a vagabond; a man with two address is a libertine.