Vagrant /ˈveɪɡrənt/ 流浪者;无业游民;乞丐
meaning: a person who is poor and does not have a home or job.
1) 词根:vagr- 漫游(walk + ground)
2) 后缀:-ant 名词后缀(accountant, assistant, applicant)
e.g. The city has shelters and food handouts for vagrants. 这个城市为流浪者提供住处和食物。