a flatmate (n):
a person who shares a rented house or flat with other people
lovesick (adj):
a feeling of such strong emotion for someone that it makes you feel almost ill (but not actually physically ill)
a tourist guide (n):
someone who shows visitors around places of interest
low-paid (adj):
earning a small amount of money for working
to spoon-feed (v):
to feed someone (usually a baby) with a spoon or to give someone so much information or help that a task or job is very easy for them