“Xu Lang once again thanked the old senior for his pointers.”
“According to a senior in the clan, the holy tree is filled with the power of space and time.”
“We will need to escalate this issue to the senior in charge.”
senioritis
(US) A tendency of seniors in high school or college to skip class or otherwise slack off due to a desire to move on, or because they have already been accepted by a college and their further academic performance is no longer as relevant.
“Due to a severe case of senioritis, Jack couldn't find the motivation to complete his assignments during his final semester of high school.”
“No matter how much I'd like to regress and give in to senioritis, AMR will not let me do so.”
“Known for his tough, high-energy style, he appears to have a case of senioritis and has been demoted to part-time status.”
seniority
A measure of the amount of time a person has been a member of an organization, as compared to other members, and with an eye towards awarding privileges to those who have been members longer.