Ringwood, a laborer, in consideration of groceries to be furnished to him by one McDaniel a power of attorney to collect from anyone who might employ him, Ringwood, such sums as might be due for groceries furnished by McDaniel. This power of attorney was executed in September 1927, and Ringwood entered the employ of a railroad company in September 1928. McDaniel sued the railroad company for the amount of the groceries furnished Ringwood between September 1927 and September 1928. Can he recover