cum (e.g. bedroom-cum-study), and (concurrently; e.g. chauffeur and secretary), in addition to...

previously, already, for some time...

to be unable to, to find difficult (unpleasant, awkward...

to wait impatiently for

constraint, reserve, feeling hesitant...

serving concurrently as, holding the additional post of

serving concurrently as, concurrently holding the position of, holding the additional post of...

equilibrium, good balance, poise

perusing as a side business, doing in addition to one's main work, running (businesses) simultaneously...

equilibrium, good balance, poise

multi-use, combined use, combination...

to have both, to possess both, to combine with

operating or carrying on simultaneously

holding another position, serving concurrently as, concurrent position

part-time farmer

to combine with, to serve as both, to hold an additional post...

since long ago, already, for quite a while...

holding of concurrent (official) posts, concurrent post

additional post

working twice as hard, working day and night, doing simultaneously

studying two subjects together (e.g. as a major and a minor)

serving concurrently as, holding the additional post of

combined use, combination, dual-use...

subject for a poem (announced prior to a meeting of poets)

being proficient in both, combine both

uniting, unity

carrying on a second line of work

since long ago, already, for quite a while...

long-awaited, long-waited-for, someone who has waited a long time...

having both