to do his job vs to use her influence

Some examples from the web:

• He's trying to do his job.
• Here is proof an attorney works best when allowed to do his job.
• Between Hilversum and Utrecht lies the small town of Maartensdijk. Where the farmer just to do his job yet.
• Moemen is there to do his job: he is a photographer.
• Stan, the poor guy's just trying to do his job.
• I'm just an ordinary guy trying to do his job.
• He just doesn't like civilians trying to do his job.
• And I think it starts with your father's inability to do his job.
• This is especially true for development commissioner Andris Piebalgs, who must be able to do his job properly.
• The sheriff was there to do his job.
• I'm asking him to do his job, just like I'm trying to do mine.
• Is it not possible that Narcisse is just trying to do his job?
• IsabellaB Tuesday 13 December, 2011 I too have bought in August, and has not stopped one day to do his job!
• To do his job properly he must be able to move around freely.
• With a bag of poison to do his job.
• I'm just saying, give Sam time to do his job.
• If Rinaldo Pazzi had decided to do his job as an officer of the law, he would have determined very quickly that he was
• When the stakes are high enough, a simple speeding ticket can be a life-or-death matter for you or for the police officer who's just trying to do his job. [Siren chirps]
• I need all... to continue to do his job.
• He knows how to do his job.

Some examples from the web:

• As the rapporteur is a former minister, she would be better advised to use her influence to encourage the Member States to implement an extensive programme for the creation of crèches, day nurseries and nursery schools, employing a sufficient number of staff.
• The wife who uses her influence to hire a friendly spy...
• The wife who uses her influence to hire a friendly spy...
• Will the Vice-President/High Representative use her influence to ensure that there is an independent, international investigation into Michael Dwyer's killing?
• I want you to use your influence to keep things... down.
• You have to use your influence to make these people change their name.
• I asked Jimmy Stewart to use his influence and he did.
• I would ask Mr Barroso to use his influence to counteract this evolution.
• We must make the attempt to persuade our Chinese friends to use their influence.
• But I would ask you to use your influence with them.
• We will encourage the Indians to use their influence to contribute to this goal.
• You can just tell him Miss Parrish left it here and then he'll have to use his influence in getting the baby into that home.
• I need you to use your influence over the Trags to get them to stop targeting the Whitehill family.
• Or unless he has some important and powerful relatives to use their influence on his behalf.
• In this extremely problematic situation, Europe's duty is to use its influence to further peace.
• I've always tried to use my influence in the service of what's right.
• Max is genuinely worried about you and he asked me to use my influence.
• Any parent can understand wanting to use whatever influence they could...
• Sir, I would encourage you to use your influence to get the facts about Nathan's death.
• MEPs urge the Governments of China and India to use their influence with the Burmese authorities in order to open Burma for immediate access by all possible humanitarian relief.