free spirit would be my guess at what you are looking for. Not necessarily "pleasure seeking" and not quite "wandering misdirectedly" or a pejorative.. more someone who just makes their own goals with lesss concern of normal practicalities and expectations than most
free spirit from Oxford Online dictionaries
An independent or uninhibited person.
‘they raised their children to be free spirits’
More example sentences
‘It is something of a risk because we poets are free spirits and we distrust the establishment.’
‘‘She was a free spirit who returned to community living and open spaces whenever she could,’ the congregation was told.’
‘Independent and a true free spirit, it was clearly her transient, urban upbringing that gave her this hunger for success.’
‘She's very involved in her children's upbringing and she encourages them to be free spirits.’
‘They never seemed to notice that the nomads gave every appearance of being happy, free spirits.’
‘The character I play is a free spirit, who believes in freedom.’
‘For the most part they're the seekers, slackers, and free spirits who tend to avoid the straight life, such as it is, for as long as they can.’
‘They are free spirits and the show is never the same two days running.’
‘It is not a choice of free spirits vs. control freaks.’