He went too far in looking after the interests of his lighter (more managers should be guilty of this). (si.com)
At this level of investment, it would be difficult for you to find a financial planner who spends all that much time looking after your interests. (money.stackexchange.com)
Second, the defend - the - underdog approach looks after the interests of only a particular community; it does not take into account the good of the whole society. (religion-online.org)