Student or Learner
Can "investment" be used figuratively? "Getting a good education is an investment in the future."?
1590s, “act of putting on vestments” (a sense now found in investiture); later “act of being invested with an office, right, endowment, etc” (1640s); and “surrounding and besieging of a military target” (1811); commercial sense is from 1610s, originally of the finances of the East India Company; general use is from 1740 in the general sense of “conversion of money to property in hopes of profit,” and by 1837 in the sense “amount of money so invested; property viewed as a vehicle for profit.”
Online Etymology Dictionary
My dictionary (Macmillan) does not consider "investment" in your sentence to be figurative. It has listed 4 meanings for "investment" of which the fourth one is realted to time, effort, etc. .