I.e., someone with a conqueror's power (horses being a symbol for conquering), who turns that power to natural, organic production. Charles Gould, of course, represents a different kind of production, but at this point, a year after their marriage and before the prosperity of San Tomé, Emily has not yet realized how widely their ideals differ.

The "gentleman" aspect of the combination is also important to Mrs Gould, who has decidedly upper-class tastes. As noted before, a prerequisite of altruism is a lower class on which to look down with sympathy.