handy man 手巧的人，擅长修理东西的人
to be a handy man, means to be able to fix things, or be very capable of repairing stuff

gentleman 绅士
someone that is very considerate, kind, and courteous

businessman 商人
salesman 售货员
garbageman 垃圾工
postman 邮差

infantryman 步兵
a soldier who is in the infantry

man Friday
Friday原来是个被其他部落俘虏的野人，被鲁滨逊救了出来，因为是星期五救的，于是起名叫 Friday。从此，Friday 就成了鲁滨逊忠实的仆人。而“manFriday”后来就演变成了得力助手的代名词。如果助手是女性，就叫“girl Friday”。