"unjustly affect" is correct and can be used in written English.
You can use "unjustly affect" when describing how something is causing harm, damage, or negative consequences that are not fair or morally right. Example: The new tax laws unjustly affect low-income families who are already struggling to make ends meet.
I reversed their actions, for example by working with the Iraqi minister of education to reappoint 11,000 teachers who had been unjustly affected.
We also expect the authorities to ensure that our 36 million customers, 17500 workforce and 22,000 partners are not unjustly affected".
"I don't wear makeup, nor do I wish to spend 20 minutes applying it," said Deborah Rhode, a law professor at Stanford University who wrote "The Beauty Bias" (Oxford University Press, 2010), which details how appearance unjustly affects some workers.
One Alexander W. Kinglake was to prove only the first of a succession of gifted writers that includes Evelyn Waugh, Graham Greene, Aldous Huxley, Ian Fleming's older brother, Peter Fleming (for whom Eton's writing prize, the Owl, is named), and the unjustly obscure Robert Byron who would affect a seemingly offhanded manner about their travels and the books they confected from them.
"We all have substantial and increasing concern at the potential of the English law of defamation to affect our work unjustly and oppressively," a consortium of foreign newspapers, publishers and human rights organizations, including The New York Times, said in a statement to the committee.
And when it comes to coercive measures, he holds that they can bear only upon conduct that is external and immediately or mediately affects other people unjustly or disturbs the peace of the political community: ST I-II q. 98 a. 1. Really private vices are outside the coercive jurisdiction of the state's government and law.
But others are unjustly neglected.
