I don't believe that there is a specific word for it, but I would recommend saying 'to sap one's concentration'.
Drug use will impair a persons ability to make the right decisions. This sentence works because the word means to weaken something.
weaken
weaken
Someone with whom you share bread.
Overlook
Another word that means missing someone is pining. The word pining means to deeply yearn for or to suffer with longing for someone.
atrophy
Parole is a word that means (among other things) to be released from a concentration camp. Many people were released from concentration camps, under the threat that if they committed the same crime, they would then return to the camps permanently.
It means Jews are locked up in this very dangerous camp
The Malayalam word sradha means concentration in English.
someone means a person something means a thing
Request.
To undermine means to weaken or subvert something, such as an authority, reputation, or system, often through indirect or insidious means. It can also refer to eroding the foundation or support of something.
The word for looking at someone intently is "staring." This can often convey a sense of concentration or focus on the person being looked at.
To resemble someone means to look like them.
"Patriot" is a word that means someone who loves and supports their country or land.
it means to scare someone