Hi,
I think you could do this by replacing
$human_time = human_time_diff( get_the_time( 'U' ), current_time( 'timestamp' ) ) . ' ' . __( 'vor', 'expound' );
with
$human_time = __( 'vor', 'expound' ). ' ' . human_time_diff(
get_the_time( 'U' ), current_time( 'timestamp' ) );
hope it helps