Sentence:  The slaves never shared in their profits , while they did share , in a <WSD>very</WSD> real sense , in the profits of the slave owners : they were fed , clothed , doctored , and so forth ; they were the beneficiaries of responsible , paternalistic care . 
Meaning of the word marked with <WSD> tags:  used as intensifiers; `real' is sometimes used informally for `really'; `rattling' is informal