The answer would be alliteration. Since the words start with F. Alliteration is an interesting expression and an elaborate literary device which is distinguished by the rehashed sound of the first or second letter in a progression of words, or the redundancy of a similar letter sounds in focused on syllables of an expression.
It’s easier to trust the words of someone who’s a expert
D …. Before he worked in a bank he had alway wanted to get a job in bank
1-but
2- although
3-or
4-and
5-but
It’s probably the first one hopefully you will get it