While some tramps may do odd jobs from time to time, unlike other temporarily homeless people they do not seek out regular work and support themselves by other means such as begging or scavenging. This is in contrast to:
Both terms, "tramp" and "hobo" (and the distinction between them), were in common use between the 1880s and the 1940s. Their populations and the usage of the terms increased during the Great Depression.
Like "hobo" and "bum", the word "tramp" is considered somewhat vulgar in American English usage, having been subsumed in more polite contexts by words such as "homeless person" or "vagrant". In colloquial American English, the word "tramp" can also mean a sexually promiscuous female or even prostitute.
It remains relatively more common in current British English, but has also been somewhat replaced with "homeless person". Tramps used to be known euphemistically in England and Wales as "gentlemen of the road".
Some People are tramps.. take steven morris for example :)