What is the influence of Colonel Pickering and Mrs. Pearce on Higgins's recklessness? (Pygmalion Act 2)

Ivansanger rainsfordgeneral zaroffwhitneyadventurous hunter; calm and composed; considers himself a realist; new yorker; veteran of world war ia hunter; sympathetic to the plight of voiceless, defenseless animals; cautiouscossack; mute; formidable physical stature; wears a black uniform; used to whip prisoners for the great white czarcossack; aristocrat; has sharp, pointed teeth and red lips; devoid of humanity and emotion

We shall not always plant while others reap

What role does the bolded pronoun serve in the following sentence i like my skateboard quite a bit but i like yours better