change for means of subsistence. These persons are united by community of interest into a group, or class, or interest, and, when interests come to be adjusted, the interests of this group will undoubtedly be limited by those of other groups.
3. The term labor is used, thirdly, in a more restricted, very popular and current, but very ill-defined way, to designate a limited sub-group among those who live by contributing productive efforts to the work of society. Every one is a laborer who is not a person of leisure. Public men, or other workers, if any, who labor but receive no pay, might be excluded from the category, and we should immediately pass, by such a restriction, from a broad and philosophical to a technical definition of the labor class. But merchants, bankers, professional men, and all whose labor is, to an important degree, mental as well as manual, are excluded from this third use of the term labor. The result is, that the word is used, in a sense at once loosely popular and strictly technical, to designate a group of laborers who separate their interests from those of other laborers. Whether farmers are included under "labor" in this third sense or not I have not been able
